Online MCQs Test – Gaseous Exchange – Biology 10th

1. It contains vocal cords to produce sound.

2. The total surface area of the respiratory surface in human is about.

3. Each lung is soft, spongy and:

4. It is wrapped in two pleural membranes.

5. In the following, the alveoli are infected so they may be filled with fluid or pus.

6. The opening of larynx is known as:

7. Which of the following disorder is associated with inflammation of air passageways?

8. Each lung is made up of millions of:

9. The amount of molecular oxygen present in the air is about:

10. The gaseous exchange takes place at the level of alveoli. This gaseous exchange involves:

11. These are microscopic openings present in the epidermis of leaves.

12. Larynx is located on:

13. Each stoma is formed by:

14. Each bronchus have:

15. The amount of molecular oxygen present in water is about:

16. Ribs are attached with:

17. Carbon dioxide is taken in the process of:

18. In the lower part of the thorax, lies a sheet of muscles called:

19. In humans, the process of respiration involves:

20. The biological functions which perform gaseous exchange: